i don't know but it is 9*10*10*9=810 numbers
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191 is a number that stays the same when read backwards as when read forwards.
How many 4 - digit number have this property?
Ai làm ra chi tiết sẽ được 10 cái tick
191 is a number that stays the same when read backwards as when read forwards. How many 4 digit numbers have this property
191 is a number that stays the same when read backwards as when read forwards.
How many 4 - digit number have this property?
191 is a number that stays the same when read backwards as when read forwards.
How many 4 - digit number have this property?
Hãy giải giùm tớ .
Sẽ tick cho 10 cái .
Mary calculates the sum of the digit that she sees on her clock (example : if the clock shows 16:35 then she get 15).what is the biggest sum she can get if the clock is a 24 hour clock?
191 is the number that stays the same when read backwards as when read forwards
How many 4 - digit number have this property?
191 is a number that is retained when read backwards as when read forwards.
How many 4 - digit number that nature?
191 is a number that stays the same when read backwards as when read forwards
the number 42 has the property that it is divisible by the digit in the ones place, because 42 divisible by 2. how many number between 20 and 40 have this property?
answer: ... numbers
Each face of a cube is painted with exactly one colour . What is the smallest number of colours needed to paint a cube so that no two faces that share an edge are the same colour ?
Các bạn giải chi tiết hộ mình nha !